<?php

class PostController extends Controller
{
	public $layout='column2';

	/**
	 * @var CActiveRecord the currently loaded data model instance.
	 */
	private $_model;

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
		* 	 * Declares class-based actions.
		* 	 	 */
		public function actions()
		{
		    return array(
	        // captcha action renders the CAPTCHA image displayed on the contact page
		 	        'captcha'=>array(
	   	            'class'=>'CCaptchaAction',
	  	            'backColor'=>0xFFFFFF,
	      	        ),
	   	    );
	  	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index','view' and 'captcha' actions
		          'actions'=>array('index','view','captcha'),
		          'users'=>array('*'),
		    ),
			array('allow',  // allow all users to access 'index' and 'view' actions.
				'actions'=>array('index','view','photo'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated users to access all actions
				'users'=>array('@'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 */
	public function actionView()
	{
		$post=$this->loadModel();
		$comment=$this->newComment($post);

		$this->render('view',array(
			'model'=>$post,
			'comment'=>$comment,
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Post;
		if(isset($_POST['Post']))
		{
			$model->attributes=$_POST['Post'];
			$model->photo=Yii::app()->session['upload_photo'];
			Yii::app()->session['upload_photo'] = "";
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionUpdate()
	{
		$model=$this->loadModel();
		if(isset($_POST['Post']))
		{
			$model->attributes=$_POST['Post'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 */
	public function actionDelete()
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel()->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(array('index'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		
		if (Yii::app()->user->isGuest){
			$criteria=new CDbCriteria(array(
					'condition'=>'status='.Post::STATUS_PUBLISHED,
					'order'=>'id DESC',
					'with'=>'commentCount',
			));
		}else{

			$criteria=new CDbCriteria(array(
					'order'=>'id DESC',
					'with'=>'commentCount',
			));
			
		}
		
		
		if(isset($_GET['tag']))
			$criteria->addSearchCondition('tags',$_GET['tag']);

		$dataProvider=new CActiveDataProvider('Post', array(
			'pagination'=>array(
				'pageSize'=>Yii::app()->params['postsPerPage'],
			),
			'criteria'=>$criteria,
		));

		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Post('search');
		if(isset($_GET['Post']))
			$model->attributes=$_GET['Post'];
		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Suggests tags based on the current user input.
	 * This is called via AJAX when the user is entering the tags input.
	 */
	public function actionSuggestTags()
	{
		if(isset($_GET['q']) && ($keyword=trim($_GET['q']))!=='')
		{
			$tags=Tag::model()->suggestTags($keyword);
			if($tags!==array())
				echo implode("\n",$tags);
		}
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 */
	public function loadModel()
	{
		if($this->_model===null)
		{
			if(isset($_GET['id']))
			{
				if(Yii::app()->user->isGuest)
					$condition='status='.Post::STATUS_PUBLISHED.' OR status='.Post::STATUS_ARCHIVED;
				else
					$condition='';
				$this->_model=Post::model()->findByPk($_GET['id'], $condition);
			}
			if($this->_model===null)
				throw new CHttpException(404,'The requested page does not exist.');
		}
		return $this->_model;
	}

	/**
	 * Creates a new comment.
	 * This method attempts to create a new comment based on the user input.
	 * If the comment is successfully created, the browser will be redirected
	 * to show the created comment.
	 * @param Post the post that the new comment belongs to
	 * @return Comment the comment instance
	 */
	protected function newComment($post)
	{
		$comment=new Comment;
		if(isset($_POST['ajax']) && $_POST['ajax']==='comment-form')
		{
			echo CActiveForm::validate($comment);
			Yii::app()->end();
		}
		
		
		if(isset($_POST['Comment'])){
			if(strpos($_POST['Comment']['content'],'href=') === false)
			{
				$comment->attributes=$_POST['Comment'];
				if($post->addComment($comment))
				{
					if($comment->status==Comment::STATUS_PENDING)
						Yii::app()->user->setFlash('commentSubmitted','Thank you for your comment. Your comment will be posted once it is approved.');
					$this->refresh();
				}
			}
		}
		return $comment;
	}
	
	public function actionUpload()
	{
		Yii::import("ext.EAjaxUpload.qqFileUploader");
	
		$folder='upload/';// folder for uploaded files
		$allowedExtensions = array("jpg");//array("jpg","jpeg","gif","exe","mov" and etc...
		$sizeLimit = 10 * 1024 * 1024;// maximum file size in bytes
		$uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
		$result = $uploader->handleUpload($folder);
		$return = htmlspecialchars(json_encode($result), ENT_NOQUOTES);
	
		$fileSize=filesize($folder.$result['filename']);//GETTING FILE SIZE
		$fileName=$result['filename'];//GETTING FILE NAME
		Yii::app()->session['upload_photo'] = "/upload/".$fileName;
		echo $return;// it's array
	}
	
	
	public function actionPhoto(){
		$dataProvider=new CActiveDataProvider('Post', array(
				 'criteria'=>array(
				       'condition'=>'photo!=""',
						'order'=>'update_time DESC',
    			)		
		));
		
		$this->render('photo',array(
				'dataProvider'=>$dataProvider,
		));
	}
}
